2010 INFINITI QX56 Factory Service Manual

oil change child lock automatic transmission fluid turn signal coolant capacity fuse

Page 4137 of 4210

INFINITI QX56 2010 Factory Service Manual WW-16
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (IPDM E/R)
ACTIVE TEST
Te s t i t e m
TA I L & C L R R E Q
[OFF/ON]×Displays the status of the position light request signal received from BCM via CAN

WW-16
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (IPDM E/R)
ACTIVE TEST
Te s t i t e m
TA I L & C L R R E Q
[OFF/ON]×Displays the status of the position light request signal received from BCM via CAN
communication.
HL LO REQ
[OFF/ON] ×
Displays the status of the low beam request signal received from BCM via CAN
communication.
HL HI REQ
[OFF/ON] ×Displays the status of the high beam request signal received from BCM via CAN
communication.
FR FOG REQ
[OFF/ON] ×Displays the status of the front fog lamp request signal received from BCM via
CAN communication.
FR WIP REQ
[STOP/1LOW/LOW/HI] ×
Displays the status of the front wiper request signal received from BCM via CAN
communication.
WIP AUTO STOP
[STOP P/ACT P] ×
Displays the status of the front wiper auto stop signal judged by IPDM E/R.
WIP PROT
[OFF/Block] ×
Displays the status of the front wiper fail-safe operation judged by IPDM E/R.
ST RLY REQ
[OFF/ON] Displays the status of the starter request signal received from ECM via CAN com-
munication.
IGN RLY
[OFF/ON] ×
Displays the status of the ignition relay judged by IPDM E/R.
RR DEF REQ
[OFF/ON] ×Displays the status of the rear defogger request signal received from AV control
unit via CAN communication.
OIL P SW
[OPEN/CLOSE] Displays the status of the oil pressure switch judged by IPDM E/R.
DTRL REQ
[OFF] Displays the status of the daytime light request signal received from BCM via CAN
communication.
HOOD SW
[OPEN/CLOSE] Displays the status of the hood switch judged by IPDM E/R.
THFT HRN REQ
[OFF/ON] Displays the status of the theft warning horn request signal received from BCM
via CAN communication.
HORN CHIRP
[OFF/ON] Displays the status of the horn reminder signal received from BCM via CAN com-
munication.
Monitor Item
[Unit] MAIN SIG-
NALS Description
Test item
Operation Description
REAR DEFOGGER OFF
OFF
ON Operates rear window defogger relay.
FRONT WIPER OFF
OFF
LO Operates the front wiper relay.
HI Operates the front wiper relay and front wiper high relay.
MOTOR FAN 1O
FF
2O FF
3 Operates the cooling fan relay.
4 Operates the cooling fan relay.
Revision: April 20092010 QX56

Page 4138 of 4210

INFINITI QX56 2010 Factory Service Manual DIAGNOSIS SYSTEM (IPDM E/R)WW-17
< FUNCTION DIAGNOSIS >
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EXTERNAL LAMPS OFF
OFF
TAIL Operates the tail lamp relay.
LO Operates the headlamp low relay.
HI Operates the he

Page 4139 of 4210

INFINITI QX56 2010 Factory Service Manual WW-18
< COMPONENT DIAGNOSIS >
WIPER AND WASHER FUSE
COMPONENT DIAGNOSIS
WIPER AND WASHER FUSE
DescriptionINFOID:0000000005146770
Fuse list
Diagnosis ProcedureINFOID:0000000005146771
1. CHECK FUSES
Che

Page 4140 of 4210

INFINITI QX56 2010 Factory Service Manual FRONT WIPER MOTOR LO CIRCUITWW-19
< COMPONENT DIAGNOSIS >
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FRONT WIPER MOTOR LO CIRCUIT
Component Function CheckINFOID:0000000005146772
1. CHECK FRONT WIPER LO OPERATION

Page 4141 of 4210

INFINITI QX56 2010 Factory Service Manual WW-20
< COMPONENT DIAGNOSIS >
FRONT WIPER MOTOR LO CIRCUIT
1. Turn the ignition switch ON.
2. Select "FRONT WIPER" of IPDM E/R active test item.
3. While operating the test item, check voltage between

Page 4142 of 4210

INFINITI QX56 2010 Factory Service Manual FRONT WIPER MOTOR HI CIRCUITWW-21
< COMPONENT DIAGNOSIS >
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FRONT WIPER MOTOR HI CIRCUIT
Component Function CheckINFOID:0000000005146774
1. CHECK FRONT WIPER HI OPERATION

Page 4143 of 4210

INFINITI QX56 2010 Factory Service Manual WW-22
< COMPONENT DIAGNOSIS >
FRONT WIPER MOTOR HI CIRCUIT
1. Turn the ignition switch ON.
2. Select "FRONT WIPER" of IPDM E/R active test item.
3. While operating the test item, check voltage between

Page 4144 of 4210

INFINITI QX56 2010 Factory Service Manual FRONT WIPER AUTO STOP SIGNAL CIRCUITWW-23
< COMPONENT DIAGNOSIS >
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FRONT WIPER AUTO ST OP SIGNAL CIRCUIT
Component Function CheckINFOID:0000000005146776
1. CHECK FRONT W

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